Signal conditioning and circuit protection for IIoT and automation key
The Internet of Things (IoT) and the Industrial Internet of Things (IIoT) have entered the realm of speculation, and innovative use cases continue to emerge. But in any IIoT event, very few people talk about important signal conditioning (signal condiTIoning) and circuit protection (circuit protecTIon).
It has been reported that the IIoT solution must be robust, sustainable and meet the stringent standards of various industries. Therefore, when designing the IIoT solution, signal conditioning and circuit protection are as important as other challenges in the IoT ecosystem.
Signal conditioning refers to processing the signal to meet the expectations of the next processing stage. The requirements for the next phase may vary depending on the sensor and use case. The most common use case is analog analog to digital conversion of signals. Other use cases include signal isolation, amplification, attenuation, range matching, or other signal processing requirements that make the output suitable for subsequent stages.
To effectively process signals, industries need to measure environmental or structural parameters. Therefore, before the signal and data are input to the data acquisition device, the signal needs to be adjusted to accurately and efficiently record the data. Different sensors require different signal processing for the next stage of processing.
Circuit protection protects the networked system from surges, overheating or electrostatic discharge and is prone to failure. Circuit protection is an important factor in determining the reliability, product life and energy efficiency of the IIoT solution. Industrial automation ecosystems generally start at a small scale and then continue to expand as other systems are connected. Therefore, circuit protection is the key to ensuring the high availability and reliability of this ever-expanding system.
The IIoT system is designed to operate independently, and many of these systems operate in unmanned remote locations throughout their life. Typical examples are windmills exposed to inclement weather, such as overheating, wind and rain, lightning and electrostatic discharge. To ensure longevity and efficient operation of the system, the protection circuit will play a key role.
As more and more devices are connected to the network and more electronic components are installed in the circuit, the chance of electrostatic discharge increases. In addition, with the expansion of the IoT infrastructure, it is even more necessary to make the protection circuit more powerful and stable.
All components of the IoT ecosystem need to be protected throughout the design process, from AC power to digital connectivity, to board level. And having a stable and reliable circuit has both economic and technical benefits. The threat of a transient voltage can cause serious damage, which can affect productivity, efficiency, and thus economic loss.
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